<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .container{
            width: '100%';
            height: 100vh;
            background:pink;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        .text_input{
            width: 200px;
            height: 30px;
            padding-left: 20;
            margin-top: 20px;
            border-radius: 15px;
        }
    </style>
</head>
<body>
    <form action="">
    <div class="container">
        <input type="text" class="text_input" placeholder="请输入用户名" autofocus>
        <input type="password" class="text_input"  placeholder="请输入密码" ></input>
        <input type="date"  class="text_input" placeholder="日期">
        <input type="datetime-local" class="text_input" placeholder="日期时间">
        <input type="hidden" class="text_input" placeholder="隐藏的啥也看不见了">
        <input type="color" class="text_input" placeholder="颜色">
        <div>
        <label for="harmony">鸿蒙开发</label>
        <input type="checkbox" id="harmony">
        <label for="java">JAVA开发</label>
        <input type="checkbox" id="java">
        <label for="flutter">Flutter开发</label>
        <input type="checkbox" id="flutter"> 
        </div>
        <div>
        <input type="radio" name="sex">女
        <input type="radio" name="sex">男
        </div>
        <button type="submit">提交</button>
        <button type="reset">重置</button>
    </div>
</form>
</body>
</html>